By combining Excel’s GROUPBY function with dynamic formulas, data validation lists, and conditional formatting, you can create an interactive data summary with robust drill-down capabilities.

If you see the "This value doesn't match the data validation restrictions defined for this cell" error in Excel, this article will help you.

How to base a data validation dropdown on an array in Excel Now we’re ready to create the data validation dropdown that will display the unique list in column H.

In most cases, the user takes advantage of the data validation feature. However, there are times when this function is not good enough, and as such, it is best to make use of the Circle Invalid ...

Learn how to use a data validation control to allow users to select when to run multiple VBA procedures in Microsoft Excel.